Basic Addition Lesson 10: Number 10
Here's an easy example:
Khaki Box CadetBlue Box YellowGreen Box DodgerBlue Box DarkSlateBlue Box Chartreuse Box SteelBlue Box DarkOliveGreen Box DarkOrange Box MediumSeaGreen Box
plus
DeepSkyBlue Box
equals
Khaki Box CadetBlue Box YellowGreen Box DodgerBlue Box DarkSlateBlue Box Chartreuse Box SteelBlue Box DarkOliveGreen Box DarkOrange Box MediumSeaGreen Box DeepSkyBlue Box
We start with ten boxes, add one box, and now have eleven boxes.
Here's another example:
RoyalBlue Box DarkMagenta Box Sienna Box SlateBlue Box DarkGoldenrod Box BurlyWood Box DarkGreen Box Olive Box Magenta Box DarkSeaGreen Box
plus
DarkCyan Box Coral Box
equals
RoyalBlue Box DarkMagenta Box Sienna Box SlateBlue Box DarkGoldenrod Box BurlyWood Box DarkGreen Box Olive Box Magenta Box DarkSeaGreen Box DarkCyan Box Coral Box
We start with ten boxes, add two boxes, and now have twelve boxes.
Try this problem.
MediumSlateBlue Box CornflowerBlue Box MediumBlue Box MediumOrchid Box Indigo Box MediumSpringGreen Box DeepPink Box SaddleBrown Box Purple Box Tan Box
plus
Khaki Box CadetBlue Box YellowGreen Box
equals
MediumSlateBlue Box CornflowerBlue Box MediumBlue Box MediumOrchid Box Indigo Box MediumSpringGreen Box DeepPink Box SaddleBrown Box Purple Box Tan Box Khaki Box CadetBlue Box YellowGreen Box
We start with ten boxes, add three boxes, and now have thirteen boxes.
In order to do basic addition, you must memorize some equations but fear not: FoxyMath will help you! When you are finished with this lesson, you will know the following equations:
10 + 1 = 11
10 + 2 = 12
10 + 3 = 13
10 + 4 = 14
10 + 5 = 15
10+ 6 = 16
10 + 7 = 17
10 + 8 = 18
10 + 9 = 19
10 + 10 = 20
10 + 11 = 21
10 + 12 = 22
The following exercise will help you learn the above equations and what they mean. Please take your time: take whatever time you need to learn the material.
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